013  
CDUS45 KRIW 110734  
CLICPR  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
134 AM MDT SUN JUN 11 2023  
   
...............................
 
 
   
..THE CASPER WY CLIMATE SUMMARY FOR JUNE 10 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1939 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 67 2:09 PM 94 1988 77 -10 85  
MINIMUM 51 11:59 PM 25 2019 44 7 43  
AVERAGE 59 61 -2  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.22 1969 0.04 -0.01 0.00  
MONTH TO DATE 1.77 0.53 1.24 0.21  
SINCE JUN 1 1.77 0.53 1.24 0.21  
SINCE JAN 1 8.62 6.04 2.58 8.09  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2021 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE JUN 1 0.0 0.1 -0.1 0.0  
SINCE JUL 1 134.3 71.8 62.5 98.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 5 1 1  
MONTH TO DATE 43 65 -22 72  
SINCE JUN 1 43 65 -22 72  
SINCE JUL 1 7981 7425 556 7242  
 
COOLING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 0 9 -9 0  
SINCE JUN 1 0 9 -9 0  
SINCE JAN 1 0 13 -13 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 PM  
LOWEST 56 2:00 PM  
AVERAGE 77  
   
......................................................
 
 
THE CASPER WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 95 2016  
MINIMUM TEMPERATURE (F) 44 33 2005  
 
SUNRISE AND SUNSET  
JUNE 11 2023..........SUNRISE 5:27 AM MDT SUNSET 8:45 PM MDT  
JUNE 12 2023..........SUNRISE 5:27 AM MDT SUNSET 8:45 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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